CN210488190U - Optical diaphragm, backlight module, liquid crystal module and terminal equipment - Google Patents
Optical diaphragm, backlight module, liquid crystal module and terminal equipment Download PDFInfo
- Publication number
- CN210488190U CN210488190U CN201921210678.7U CN201921210678U CN210488190U CN 210488190 U CN210488190 U CN 210488190U CN 201921210678 U CN201921210678 U CN 201921210678U CN 210488190 U CN210488190 U CN 210488190U
- Authority
- CN
- China
- Prior art keywords
- ink layer
- light
- layer
- edge
- shading
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Planar Illumination Modules (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The utility model discloses an optics diaphragm, backlight unit, liquid crystal module and terminal equipment, wherein optics diaphragm includes: the diffusion barrier and the membrane that adds lustre to, the membrane that adds lustre to includes a prism face, is in at least the left and right sides limit of diffusion barrier all is equipped with first shading printing ink layer near the edge, and/or is in at least the left and right sides limit of prism face all sets up the euphotic layer near the edge, be equipped with second shading printing ink layer on the euphotic layer, the width of euphotic layer is greater than the width on second shading printing ink layer. The utility model discloses edge silk screen printing black printing ink around diffusion barrier, the membrane that adds lustre to replaces the shading to glue, and the width on printing ink layer can accomplish below 0.1mm, realizes super narrow frame module, improves the screen and accounts for the ratio, and the simultaneous display is even, does not produce black line, bright line.
Description
Technical Field
The utility model relates to an electronic equipment technical field especially relates to an optics diaphragm, backlight unit, liquid crystal module and terminal equipment.
Background
Due to the pursuit of higher screen occupation ratio, research and development on the aspects of narrow frames and full screens are rapidly developed, and full-screen mobile phones/tablet computers appear and rapidly grow on the market.
In the narrow frame module research and development process, can constantly reduce the frame width for the increase screen accounts for than, adopts shading to glue segmentation display area and non-display area at present, glues the purpose in order to reach the narrow frame through reducing the shading. However, in the actual production process, when the width of the light-shielding glue is 0.45mm, the processing is difficult, and if the light-shielding glue is designed to be narrower, the production and the processing are more difficult, so that the frame is further narrowed, and the development of the whole screen is hindered.
Therefore, the prior art is not sufficient and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, provide an optics diaphragm, backlight unit, liquid crystal module and terminal equipment.
The technical scheme of the utility model as follows: provided is an optical film for a narrow-bezel backlight module, including: the diffusion barrier and the membrane that adds lustre to, the membrane that adds lustre to includes a prism face, is in at least the left and right sides limit of diffusion barrier all is equipped with first shading printing ink layer near the edge, and/or is in at least the left and right sides limit of prism face all sets up the euphotic layer near the edge, be equipped with second shading printing ink layer on the euphotic layer, the width of euphotic layer is greater than the width on second shading printing ink layer.
Further, the first shading ink layer is silk-screened on the light incident surface of the diffusion film, the first shading ink layer is a black ink layer, the width range of the first shading ink layer is 0.05mm-0.3mm, and the thickness range is 0.01 +/-0.007 mm.
Furthermore, the first shading ink layer arranged at the edges of the left side and the right side of the diffusion film is a graded ink layer, and the first shading ink layer is graded from the edge of the diffusion film to the inside of the diffusion film.
Furthermore, the first shading ink layer is silk-screened near the edge around the diffusion membrane, and the first shading ink layer near the light source end is of a wave-shaped structure.
Furthermore, the maximum thickness of the light transmitting layer is consistent with the groove depth of the prism surface, the light transmitting layer is an optical transparent ink layer, and the second shading ink layer is a black ink layer.
Furthermore, the edges of the other three sides of the prism surface except the light source end are provided with the euphotic layer, the euphotic layer is a UV adhesive layer, the second shading ink layer is a gradual-change ink layer gradually changing from the edge of the brightness enhancement film to the inside, and the width range of the second shading ink layer is 0.06-0.2 mm.
The utility model also provides a backlight module, include: the backlight module comprises a supporting frame, a reflecting film, a light guide plate, a light source assembly and an optical diaphragm, wherein the reflecting film and the light guide plate are arranged in the supporting frame, the light source assembly is arranged beside the light guide plate, the optical diaphragm is arranged above the light guide plate, the backlight module is close to one end of the light source assembly and one end of the light source assembly, which is far away from the light source assembly, is provided with shading glue, and the optical diaphragm is the optical diaphragm.
Furthermore, a special-shaped structure is arranged in a top end display area of the backlight module, which is far away from the light source component.
The utility model also provides a liquid crystal module, include as above backlight unit.
The utility model also provides a terminal equipment, include as above the LCD module and locate apron on the play plain noodles of LCD module, the edge silk screen printing fourth shading printing ink layer of apron.
Adopt above-mentioned scheme, the utility model discloses edge silk screen printing black printing ink around diffusion barrier, the membrane that adds lustre to replaces the shading to glue, and the width on printing ink layer can accomplish below 0.1mm, realizes super narrow frame module, improves the screen and accounts for the ratio, and the simultaneous display is even, does not produce black line, bright line.
Drawings
FIG. 1 is a schematic structural diagram of a diffusion film in an optical film according to the present invention;
FIG. 2 is a cross-sectional view of portion A-A of FIG. 1;
FIG. 3 is a cross-sectional view of portion B-B of FIG. 1;
fig. 4 is a schematic structural view of a brightness enhancement film in the optical film of the present invention;
FIG. 5 is a cross-sectional view of section C-C of FIG. 4;
fig. 6 is a schematic structural view of the backlight module of the present invention;
fig. 7 is a cross-sectional view of portion D-D of fig. 6.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 5, the present invention provides an optical film for a narrow-frame backlight module, including: diffusion barrier 1 and membrane 2 that adds lustre to, membrane 2 that adds lustre to includes a prism face 3, is at least the equal silk screen printing first shading printing ink layer 4 in edge is close to on the left and right sides limit of diffusion barrier 1, and/or is at least in the equal silk screen printing euphotic layer 5 in edge on the left and right sides limit of prism face 3, be equipped with second shading printing ink layer 6 on the euphotic layer 5, the width of euphotic layer 5 is greater than the width of second shading printing ink layer 6. The shading ink is silk-printed on the diffusion film 1 and/or the brightness enhancement film 2 to replace shading glue, the width of the silk-printing ink can be below 0.1mm, an ultra-narrow frame module can be realized, the screen occupation ratio is improved, meanwhile, the euphotic layer 5 is silk-printed on the prism surface 3 of the brightness enhancement film 2, and then the second shading ink layer 6 is silk-printed on the euphotic layer 5, so that the phenomenon that when the second shading ink layer 6 is silk-printed, the ink spreads to a display area, black lines and the like occur to affect the display effect can be effectively avoided, and the light transmission of the display area cannot be affected by the euphotic layer 5.
Referring to fig. 1 to 3, the first black-out ink layer 4 is disposed on the light incident surface of the diffusion film 1, the first black-out ink layer 4 is a black ink layer, the width range of the first black-out ink layer 4 is 0.05mm to 0.3mm, and the thickness range is 0.01 ± 0.007 mm. Specifically, in this embodiment, the first shading ink layer 4 is silk-screened near the edges of the diffusion film 1, the first shading ink layer 4 disposed at the edges of the left and right sides of the diffusion film 1 is a graded ink layer gradually graded from the edge of the diffusion film 2 to the inside thereof, and the first shading ink layer 4 near the light source end is of a wave-shaped structure or of other shapes.
Referring to fig. 4 and 5, the light-transmitting layer 5 is an optically transparent ink layer, in this embodiment, the light-transmitting layer 5 is disposed at the edges of the prism surface 3 except the light source end, and the light-transmitting layer 5 may be a UV glue. Specifically, in this embodiment, the maximum thickness of the light-transmitting layer 5 is consistent with the groove depth of the prism surface 3, that is, the light-transmitting layer is flush with the groove top surface of the prism surface 3, so that even if the transparent ink spreads into the display area, the transparent ink is optically transparent ink, and the light transmission is not affected. And then, the second shading ink layer 6 is silkscreened on the surface of the euphotic layer 5, so that the second shading ink layer 6 can be effectively prevented from spreading to a display area to cause black lines, and a super narrow frame can be realized. Specifically, in this embodiment, the second light-shielding ink layer 6 is a black ink layer, the second light-shielding ink layer 6 is a gradient ink layer gradually changing from the edge of the bright enhancement film 2 to the inside, and the width of the second light-shielding ink layer 6 is in a range of 0.06-0.2 mm.
Referring to fig. 6 and 7, the present invention further provides a backlight module, including: the backlight module comprises a supporting frame 7, a reflecting film 8, a light guide plate 9, a light source assembly 10 and an optical diaphragm, wherein the reflecting film 8 and the light guide plate 9 are arranged in the supporting frame 7, the light source assembly 10 is arranged beside the light guide plate 9, the optical diaphragm is arranged above the light guide plate 9, the backlight module is close to one end of the light source assembly 10 and one end of the light source assembly 10 is provided with a shading glue 11, and the optical diaphragm is the optical diaphragm. Backlight unit is kept away from be equipped with special-shaped structure 12 in the top display area of light source subassembly 10, specifically, special-shaped structure 12 can be through-hole, or water droplet, or beauty tip, or structures such as bang.
The utility model also provides a liquid crystal module, include as above backlight unit.
The utility model also provides a terminal equipment, include as above the LCD module and locate apron on the play plain noodles of LCD module, the edge silk screen printing fourth shading printing ink layer of apron.
To sum up, the utility model discloses replace the shading at diffusion barrier, the edge silk screen printing black printing ink all around of membrane that adds lustre to glue, the width on printing ink layer can accomplish below 0.1mm, realizes super narrow frame module, improves the screen and accounts for the ratio, and the simultaneous display is even, does not produce black line, bright line.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An optical film, comprising: the diffusion barrier and the membrane that adds lustre to, the membrane that adds lustre to includes a prism face, is in at least the left and right sides limit of diffusion barrier all is equipped with first shading printing ink layer near the edge, and/or is in at least the left and right sides limit of prism face all sets up the euphotic layer near the edge, be equipped with second shading printing ink layer on the euphotic layer, the width of euphotic layer is greater than the width on second shading printing ink layer.
2. The optical film according to claim 1, wherein the first black-out ink layer is silk-screened on the light incident surface of the diffusion film, the first black-out ink layer is a black ink layer, the width range of the first black-out ink layer is 0.05mm to 0.3mm, and the thickness range of the first black-out ink layer is 0.01 ± 0.007 mm.
3. The optical film according to claim 2, wherein the first light-shielding ink layer disposed at the edges of the left and right sides of the diffusion film is a graded ink layer, and the first light-shielding ink layer is graded from the edge of the diffusion film to the inside thereof.
4. The optical film as claimed in claim 3, wherein the first light-shielding ink layer is silk-screened on the periphery of the diffusion film near the edge, and the first light-shielding ink layer near the light source end is of a wave-shaped structure.
5. The optical film according to claim 1, wherein the maximum thickness of the light-transmitting layer is consistent with the groove depth of the prism surface, the light-transmitting layer is an optically transparent ink layer, and the second light-shielding ink layer is a black ink layer.
6. The optical film according to claim 5, wherein the light-transmitting layer is disposed at the edge of each of the three sides of the prism surface except the light source end, the light-transmitting layer is a UV adhesive layer, the second light-shielding ink layer is a graded ink layer gradually changing from the edge of the brightness enhancement film to the inside of the brightness enhancement film, and the width of the second light-shielding ink layer is 0.06-0.2 mm.
7. A backlight module, comprising: the backlight module comprises a support frame, a reflecting film, a light guide plate, a light source assembly and an optical membrane, wherein the reflecting film and the light guide plate are arranged in the support frame, the light source assembly is arranged beside the light guide plate, the optical membrane is arranged above the light guide plate, light shading glue is arranged at one end, close to the light source assembly, of the backlight module and at one end, far away from the light source assembly, of the backlight module, and the optical membrane is the optical membrane as claimed in any one of claims.
8. The backlight module as claimed in claim 7, wherein the backlight module has a profile structure in a top display area away from the light source module.
9. A liquid crystal module comprising the backlight module according to any one of claims 7 to 8.
10. A terminal device, comprising the liquid crystal module according to claim 9 and a cover plate disposed on a light emitting surface of the liquid crystal module, wherein a fourth light-shielding ink layer is silk-screened on an edge of the cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921210678.7U CN210488190U (en) | 2019-07-29 | 2019-07-29 | Optical diaphragm, backlight module, liquid crystal module and terminal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921210678.7U CN210488190U (en) | 2019-07-29 | 2019-07-29 | Optical diaphragm, backlight module, liquid crystal module and terminal equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210488190U true CN210488190U (en) | 2020-05-08 |
Family
ID=70535376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921210678.7U Active CN210488190U (en) | 2019-07-29 | 2019-07-29 | Optical diaphragm, backlight module, liquid crystal module and terminal equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210488190U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113835142A (en) * | 2020-06-23 | 2021-12-24 | 宸美（厦门）光电有限公司 | Optical film layer and display device |
| CN114613259A (en) * | 2020-12-03 | 2022-06-10 | 乐金显示有限公司 | Display device |
| CN116125697A (en) * | 2023-02-21 | 2023-05-16 | 东莞市德普特电子有限公司 | Ultra-narrow frame liquid crystal display module processing technology and ultra-narrow frame liquid crystal display module |
-
2019
- 2019-07-29 CN CN201921210678.7U patent/CN210488190U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113835142A (en) * | 2020-06-23 | 2021-12-24 | 宸美（厦门）光电有限公司 | Optical film layer and display device |
| CN114613259A (en) * | 2020-12-03 | 2022-06-10 | 乐金显示有限公司 | Display device |
| CN116125697A (en) * | 2023-02-21 | 2023-05-16 | 东莞市德普特电子有限公司 | Ultra-narrow frame liquid crystal display module processing technology and ultra-narrow frame liquid crystal display module |
| CN116125697B (en) * | 2023-02-21 | 2023-10-24 | 东莞市德普特电子有限公司 | Ultra-narrow frame liquid crystal display module processing technology and ultra-narrow frame liquid crystal display module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108989508B (en) | Display screen assembling method, display screen and electronic equipment | |
| CN209590474U (en) | A kind of liquid crystal display device and terminal device of high screen accounting | |
| CN103823319A (en) | Backlight module and liquid crystal display device using same | |
| CN202660409U (en) | Direct type backlight module and display device | |
| CN204213723U (en) | A kind of backlight module and display | |
| CN210488190U (en) | Optical diaphragm, backlight module, liquid crystal module and terminal equipment | |
| CN209946442U (en) | Light guide plate with notch at through hole, backlight module and display device | |
| KR20170051639A (en) | Glass Light Guide Plate and Backlight Unit having the same | |
| CN110673389A (en) | Backlight module and display device | |
| CN105759490A (en) | Brightness enhancement film, display module and display device | |
| CN111323970B (en) | Backlight module and display device | |
| CN204477809U (en) | Novel backlight module displays device | |
| CN114280843A (en) | Backlight module and display module | |
| CN204964948U (en) | Display and terminal | |
| CN210348142U (en) | Backlight module with through hole | |
| CN115176197A (en) | Optical film, backlight module and display device | |
| CN205247012U (en) | Backlight module and display device | |
| CN109358451B (en) | Backlight module and display device thereof | |
| CN111766741A (en) | Light guide plate black edge structure applied to ultra-narrow display module and setting method thereof | |
| CN106405721A (en) | Light guide plate and backlight module group | |
| CN104061488A (en) | Backlight module and display device | |
| CN203240405U (en) | Backlight module | |
| US20210364862A1 (en) | Backlight module and display device | |
| CN107015397B (en) | Display panel and display device | |
| CN204806292U (en) | Light guide plate, backlight module group, and display apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |